Home / 134,091.31-201,220.02-77,957.84

Finding the Fourth Proportional to 134,091.31, 201,220.02 and 77,957.84

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Solution

The fourth proportional to 134,091.31, 201,220.02 and 77,957.84 is: 116,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,091.31 : 201,220.02 = 77,957.84 : x
  2. Step 2: Convert to fraction form
    134,091.31/201,220.02 = 77,957.84/x
  3. Step 3: Cross multiply
    134,091.31x = 201,220.02 × 77,957.84
  4. Step 4: Simplify right side
    134,091.31x = 15,686,677,117.86
  5. Step 5: Solve for x
    x = 15,686,677,117.86/134,091.31
  6. Step 6: Final answer
    x = 116,985.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.