Home / 115,444.59-159,312.02-64,458.19

Finding the Fourth Proportional to 115,444.59, 159,312.02 and 64,458.19

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Solution

The fourth proportional to 115,444.59, 159,312.02 and 64,458.19 is: 88,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.59 : 159,312.02 = 64,458.19 : x
  2. Step 2: Convert to fraction form
    115,444.59/159,312.02 = 64,458.19/x
  3. Step 3: Cross multiply
    115,444.59x = 159,312.02 × 64,458.19
  4. Step 4: Simplify right side
    115,444.59x = 10,268,963,496.74
  5. Step 5: Solve for x
    x = 10,268,963,496.74/115,444.59
  6. Step 6: Final answer
    x = 88,951.45

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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.