Home / 130,598.04-179,972.64-88,082.76

Finding the Fourth Proportional to 130,598.04, 179,972.64 and 88,082.76

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Solution

The fourth proportional to 130,598.04, 179,972.64 and 88,082.76 is: 121,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,598.04 : 179,972.64 = 88,082.76 : x
  2. Step 2: Convert to fraction form
    130,598.04/179,972.64 = 88,082.76/x
  3. Step 3: Cross multiply
    130,598.04x = 179,972.64 × 88,082.76
  4. Step 4: Simplify right side
    130,598.04x = 15,852,486,855.69
  5. Step 5: Solve for x
    x = 15,852,486,855.69/130,598.04
  6. Step 6: Final answer
    x = 121,383.80

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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.