Home / 145,608.48-218,300.91-130,772.10

Finding the Fourth Proportional to 145,608.48, 218,300.91 and 130,772.10

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Solution

The fourth proportional to 145,608.48, 218,300.91 and 130,772.10 is: 196,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.48 : 218,300.91 = 130,772.10 : x
  2. Step 2: Convert to fraction form
    145,608.48/218,300.91 = 130,772.10/x
  3. Step 3: Cross multiply
    145,608.48x = 218,300.91 × 130,772.10
  4. Step 4: Simplify right side
    145,608.48x = 28,547,668,432.61
  5. Step 5: Solve for x
    x = 28,547,668,432.61/145,608.48
  6. Step 6: Final answer
    x = 196,057.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.