Home / 94,332.58-130,178.28-51,890.20

Finding the Fourth Proportional to 94,332.58, 130,178.28 and 51,890.20

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Solution

The fourth proportional to 94,332.58, 130,178.28 and 51,890.20 is: 71,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,332.58 : 130,178.28 = 51,890.20 : x
  2. Step 2: Convert to fraction form
    94,332.58/130,178.28 = 51,890.20/x
  3. Step 3: Cross multiply
    94,332.58x = 130,178.28 × 51,890.20
  4. Step 4: Simplify right side
    94,332.58x = 6,754,976,984.86
  5. Step 5: Solve for x
    x = 6,754,976,984.86/94,332.58
  6. Step 6: Final answer
    x = 71,608.10

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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.