Home / 115,665.79-159,610.02-70,337.47

Finding the Fourth Proportional to 115,665.79, 159,610.02 and 70,337.47

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Solution

The fourth proportional to 115,665.79, 159,610.02 and 70,337.47 is: 97,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,665.79 : 159,610.02 = 70,337.47 : x
  2. Step 2: Convert to fraction form
    115,665.79/159,610.02 = 70,337.47/x
  3. Step 3: Cross multiply
    115,665.79x = 159,610.02 × 70,337.47
  4. Step 4: Simplify right side
    115,665.79x = 11,226,564,993.45
  5. Step 5: Solve for x
    x = 11,226,564,993.45/115,665.79
  6. Step 6: Final answer
    x = 97,060.38

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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.