Home / 115,095.92-158,875.54-85,122.46

Finding the Fourth Proportional to 115,095.92, 158,875.54 and 85,122.46

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Solution

The fourth proportional to 115,095.92, 158,875.54 and 85,122.46 is: 117,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095.92 : 158,875.54 = 85,122.46 : x
  2. Step 2: Convert to fraction form
    115,095.92/158,875.54 = 85,122.46/x
  3. Step 3: Cross multiply
    115,095.92x = 158,875.54 × 85,122.46
  4. Step 4: Simplify right side
    115,095.92x = 13,523,876,798.63
  5. Step 5: Solve for x
    x = 13,523,876,798.63/115,095.92
  6. Step 6: Final answer
    x = 117,500.92

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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.