Home / 127,368.59-175,764.95-72,918.93

Finding the Fourth Proportional to 127,368.59, 175,764.95 and 72,918.93

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Solution

The fourth proportional to 127,368.59, 175,764.95 and 72,918.93 is: 100,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.59 : 175,764.95 = 72,918.93 : x
  2. Step 2: Convert to fraction form
    127,368.59/175,764.95 = 72,918.93/x
  3. Step 3: Cross multiply
    127,368.59x = 175,764.95 × 72,918.93
  4. Step 4: Simplify right side
    127,368.59x = 12,816,593,063.64
  5. Step 5: Solve for x
    x = 12,816,593,063.64/127,368.59
  6. Step 6: Final answer
    x = 100,626.01

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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.