Home / 113,971.30-157,280.88-62,289.45

Finding the Fourth Proportional to 113,971.30, 157,280.88 and 62,289.45

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Solution

The fourth proportional to 113,971.30, 157,280.88 and 62,289.45 is: 85,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,971.30 : 157,280.88 = 62,289.45 : x
  2. Step 2: Convert to fraction form
    113,971.30/157,280.88 = 62,289.45/x
  3. Step 3: Cross multiply
    113,971.30x = 157,280.88 × 62,289.45
  4. Step 4: Simplify right side
    113,971.30x = 9,796,938,920.91
  5. Step 5: Solve for x
    x = 9,796,938,920.91/113,971.30
  6. Step 6: Final answer
    x = 85,959.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.