Home / 130,591.04-179,962.98-88,075.76

Finding the Fourth Proportional to 130,591.04, 179,962.98 and 88,075.76

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Solution

The fourth proportional to 130,591.04, 179,962.98 and 88,075.76 is: 121,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,591.04 : 179,962.98 = 88,075.76 : x
  2. Step 2: Convert to fraction form
    130,591.04/179,962.98 = 88,075.76/x
  3. Step 3: Cross multiply
    130,591.04x = 179,962.98 × 88,075.76
  4. Step 4: Simplify right side
    130,591.04x = 15,850,376,235.36
  5. Step 5: Solve for x
    x = 15,850,376,235.36/130,591.04
  6. Step 6: Final answer
    x = 121,374.15

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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.