Home / 127,809.34-176,387.06-70,458.86

Finding the Fourth Proportional to 127,809.34, 176,387.06 and 70,458.86

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Solution

The fourth proportional to 127,809.34, 176,387.06 and 70,458.86 is: 97,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,809.34 : 176,387.06 = 70,458.86 : x
  2. Step 2: Convert to fraction form
    127,809.34/176,387.06 = 70,458.86/x
  3. Step 3: Cross multiply
    127,809.34x = 176,387.06 × 70,458.86
  4. Step 4: Simplify right side
    127,809.34x = 12,428,031,166.35
  5. Step 5: Solve for x
    x = 12,428,031,166.35/127,809.34
  6. Step 6: Final answer
    x = 97,238.83

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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.