Home / 147,908.10-221,862.15-69,030.30

Finding the Fourth Proportional to 147,908.10, 221,862.15 and 69,030.30

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Solution

The fourth proportional to 147,908.10, 221,862.15 and 69,030.30 is: 103,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.10 : 221,862.15 = 69,030.30 : x
  2. Step 2: Convert to fraction form
    147,908.10/221,862.15 = 69,030.30/x
  3. Step 3: Cross multiply
    147,908.10x = 221,862.15 × 69,030.30
  4. Step 4: Simplify right side
    147,908.10x = 15,315,210,773.15
  5. Step 5: Solve for x
    x = 15,315,210,773.15/147,908.10
  6. Step 6: Final answer
    x = 103,545.45

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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.