Home / 97,801.74-134,957.07-77,707.26

Finding the Fourth Proportional to 97,801.74, 134,957.07 and 77,707.26

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Solution

The fourth proportional to 97,801.74, 134,957.07 and 77,707.26 is: 107,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,801.74 : 134,957.07 = 77,707.26 : x
  2. Step 2: Convert to fraction form
    97,801.74/134,957.07 = 77,707.26/x
  3. Step 3: Cross multiply
    97,801.74x = 134,957.07 × 77,707.26
  4. Step 4: Simplify right side
    97,801.74x = 10,487,144,127.33
  5. Step 5: Solve for x
    x = 10,487,144,127.33/97,801.74
  6. Step 6: Final answer
    x = 107,228.60

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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.