Home / 130,624.89-179,088.24-128,262.93

Finding the Fourth Proportional to 130,624.89, 179,088.24 and 128,262.93

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Solution

The fourth proportional to 130,624.89, 179,088.24 and 128,262.93 is: 175,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,624.89 : 179,088.24 = 128,262.93 : x
  2. Step 2: Convert to fraction form
    130,624.89/179,088.24 = 128,262.93/x
  3. Step 3: Cross multiply
    130,624.89x = 179,088.24 × 128,262.93
  4. Step 4: Simplify right side
    130,624.89x = 22,970,381,495.50
  5. Step 5: Solve for x
    x = 22,970,381,495.50/130,624.89
  6. Step 6: Final answer
    x = 175,849.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.