Home / 115,030.60-172,545.90-110,012.20

Finding the Fourth Proportional to 115,030.60, 172,545.90 and 110,012.20

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Solution

The fourth proportional to 115,030.60, 172,545.90 and 110,012.20 is: 165,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030.60 : 172,545.90 = 110,012.20 : x
  2. Step 2: Convert to fraction form
    115,030.60/172,545.90 = 110,012.20/x
  3. Step 3: Cross multiply
    115,030.60x = 172,545.90 × 110,012.20
  4. Step 4: Simplify right side
    115,030.60x = 18,982,154,059.98
  5. Step 5: Solve for x
    x = 18,982,154,059.98/115,030.60
  6. Step 6: Final answer
    x = 165,018.30

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1.5x scale

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.