Home / 166,319.40-249,479.10-61,124.70

Finding the Fourth Proportional to 166,319.40, 249,479.10 and 61,124.70

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Solution

The fourth proportional to 166,319.40, 249,479.10 and 61,124.70 is: 91,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,319.40 : 249,479.10 = 61,124.70 : x
  2. Step 2: Convert to fraction form
    166,319.40/249,479.10 = 61,124.70/x
  3. Step 3: Cross multiply
    166,319.40x = 249,479.10 × 61,124.70
  4. Step 4: Simplify right side
    166,319.40x = 15,249,335,143.77
  5. Step 5: Solve for x
    x = 15,249,335,143.77/166,319.40
  6. Step 6: Final answer
    x = 91,687.05

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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.