Home / 137,457.13-189,695.51-131,158.57

Finding the Fourth Proportional to 137,457.13, 189,695.51 and 131,158.57

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Solution

The fourth proportional to 137,457.13, 189,695.51 and 131,158.57 is: 181,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,457.13 : 189,695.51 = 131,158.57 : x
  2. Step 2: Convert to fraction form
    137,457.13/189,695.51 = 131,158.57/x
  3. Step 3: Cross multiply
    137,457.13x = 189,695.51 × 131,158.57
  4. Step 4: Simplify right side
    137,457.13x = 24,880,191,827.02
  5. Step 5: Solve for x
    x = 24,880,191,827.02/137,457.13
  6. Step 6: Final answer
    x = 181,003.28

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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.