Home / 94,313.78-130,148.19-51,864.14

Finding the Fourth Proportional to 94,313.78, 130,148.19 and 51,864.14

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Solution

The fourth proportional to 94,313.78, 130,148.19 and 51,864.14 is: 71,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,313.78 : 130,148.19 = 51,864.14 : x
  2. Step 2: Convert to fraction form
    94,313.78/130,148.19 = 51,864.14/x
  3. Step 3: Cross multiply
    94,313.78x = 130,148.19 × 51,864.14
  4. Step 4: Simplify right side
    94,313.78x = 6,750,023,946.91
  5. Step 5: Solve for x
    x = 6,750,023,946.91/94,313.78
  6. Step 6: Final answer
    x = 71,569.86

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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.