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Finding the Fourth Proportional to 166,165.60, 249,248.40 and 148,194.40

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Solution

The fourth proportional to 166,165.60, 249,248.40 and 148,194.40 is: 222,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,165.60 : 249,248.40 = 148,194.40 : x
  2. Step 2: Convert to fraction form
    166,165.60/249,248.40 = 148,194.40/x
  3. Step 3: Cross multiply
    166,165.60x = 249,248.40 × 148,194.40
  4. Step 4: Simplify right side
    166,165.60x = 36,937,217,088.96
  5. Step 5: Solve for x
    x = 36,937,217,088.96/166,165.60
  6. Step 6: Final answer
    x = 222,291.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.