Home / 150,457.10-207,633.15-90,030.29

Finding the Fourth Proportional to 150,457.10, 207,633.15 and 90,030.29

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Solution

The fourth proportional to 150,457.10, 207,633.15 and 90,030.29 is: 124,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,457.10 : 207,633.15 = 90,030.29 : x
  2. Step 2: Convert to fraction form
    150,457.10/207,633.15 = 90,030.29/x
  3. Step 3: Cross multiply
    150,457.10x = 207,633.15 × 90,030.29
  4. Step 4: Simplify right side
    150,457.10x = 18,693,271,669.95
  5. Step 5: Solve for x
    x = 18,693,271,669.95/150,457.10
  6. Step 6: Final answer
    x = 124,243.20

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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.