Home / 115,267.70-159,070.14-64,283.66

Finding the Fourth Proportional to 115,267.70, 159,070.14 and 64,283.66

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Solution

The fourth proportional to 115,267.70, 159,070.14 and 64,283.66 is: 88,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.70 : 159,070.14 = 64,283.66 : x
  2. Step 2: Convert to fraction form
    115,267.70/159,070.14 = 64,283.66/x
  3. Step 3: Cross multiply
    115,267.70x = 159,070.14 × 64,283.66
  4. Step 4: Simplify right side
    115,267.70x = 10,225,610,795.91
  5. Step 5: Solve for x
    x = 10,225,610,795.91/115,267.70
  6. Step 6: Final answer
    x = 88,711.85

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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.