Home / 249,772.10-374,528.55-91,919.30

Finding the Fourth Proportional to 249,772.10, 374,528.55 and 91,919.30

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Solution

The fourth proportional to 249,772.10, 374,528.55 and 91,919.30 is: 137,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,772.10 : 374,528.55 = 91,919.30 : x
  2. Step 2: Convert to fraction form
    249,772.10/374,528.55 = 91,919.30/x
  3. Step 3: Cross multiply
    249,772.10x = 374,528.55 × 91,919.30
  4. Step 4: Simplify right side
    249,772.10x = 34,426,402,146.02
  5. Step 5: Solve for x
    x = 34,426,402,146.02/249,772.10
  6. Step 6: Final answer
    x = 137,831.26

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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.