Home / 249,774.10-374,531.55-91,921.30

Finding the Fourth Proportional to 249,774.10, 374,531.55 and 91,921.30

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Solution

The fourth proportional to 249,774.10, 374,531.55 and 91,921.30 is: 137,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,774.10 : 374,531.55 = 91,921.30 : x
  2. Step 2: Convert to fraction form
    249,774.10/374,531.55 = 91,921.30/x
  3. Step 3: Cross multiply
    249,774.10x = 374,531.55 × 91,921.30
  4. Step 4: Simplify right side
    249,774.10x = 34,427,426,967.02
  5. Step 5: Solve for x
    x = 34,427,426,967.02/249,774.10
  6. Step 6: Final answer
    x = 137,834.25

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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.