Home / 130,178.24-179,646.40-70,562.24

Finding the Fourth Proportional to 130,178.24, 179,646.40 and 70,562.24

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Solution

The fourth proportional to 130,178.24, 179,646.40 and 70,562.24 is: 97,376.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,178.24 : 179,646.40 = 70,562.24 : x
  2. Step 2: Convert to fraction form
    130,178.24/179,646.40 = 70,562.24/x
  3. Step 3: Cross multiply
    130,178.24x = 179,646.40 × 70,562.24
  4. Step 4: Simplify right side
    130,178.24x = 12,676,252,391.94
  5. Step 5: Solve for x
    x = 12,676,252,391.94/130,178.24
  6. Step 6: Final answer
    x = 97,376.12

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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.