Home / 166,119.04-249,266.08-72,690.40

Finding the Fourth Proportional to 166,119.04, 249,266.08 and 72,690.40

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Solution

The fourth proportional to 166,119.04, 249,266.08 and 72,690.40 is: 109,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,119.04 : 249,266.08 = 72,690.40 : x
  2. Step 2: Convert to fraction form
    166,119.04/249,266.08 = 72,690.40/x
  3. Step 3: Cross multiply
    166,119.04x = 249,266.08 × 72,690.40
  4. Step 4: Simplify right side
    166,119.04x = 18,119,251,061.63
  5. Step 5: Solve for x
    x = 18,119,251,061.63/166,119.04
  6. Step 6: Final answer
    x = 109,073.90

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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.