Home / 144,839.04-216,267.72-129,748.74

Finding the Fourth Proportional to 144,839.04, 216,267.72 and 129,748.74

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Solution

The fourth proportional to 144,839.04, 216,267.72 and 129,748.74 is: 193,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,839.04 : 216,267.72 = 129,748.74 : x
  2. Step 2: Convert to fraction form
    144,839.04/216,267.72 = 129,748.74/x
  3. Step 3: Cross multiply
    144,839.04x = 216,267.72 × 129,748.74
  4. Step 4: Simplify right side
    144,839.04x = 28,060,464,172.67
  5. Step 5: Solve for x
    x = 28,060,464,172.67/144,839.04
  6. Step 6: Final answer
    x = 193,735.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.