Home / 124,543.56-171,869.20-70,828.51

Finding the Fourth Proportional to 124,543.56, 171,869.20 and 70,828.51

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Solution

The fourth proportional to 124,543.56, 171,869.20 and 70,828.51 is: 97,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,543.56 : 171,869.20 = 70,828.51 : x
  2. Step 2: Convert to fraction form
    124,543.56/171,869.20 = 70,828.51/x
  3. Step 3: Cross multiply
    124,543.56x = 171,869.20 × 70,828.51
  4. Step 4: Simplify right side
    124,543.56x = 12,173,239,350.89
  5. Step 5: Solve for x
    x = 12,173,239,350.89/124,543.56
  6. Step 6: Final answer
    x = 97,742.82

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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.