Home / 124,685.18-172,066.64-70,973.65

Finding the Fourth Proportional to 124,685.18, 172,066.64 and 70,973.65

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Solution

The fourth proportional to 124,685.18, 172,066.64 and 70,973.65 is: 97,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,685.18 : 172,066.64 = 70,973.65 : x
  2. Step 2: Convert to fraction form
    124,685.18/172,066.64 = 70,973.65/x
  3. Step 3: Cross multiply
    124,685.18x = 172,066.64 × 70,973.65
  4. Step 4: Simplify right side
    124,685.18x = 12,212,197,484.04
  5. Step 5: Solve for x
    x = 12,212,197,484.04/124,685.18
  6. Step 6: Final answer
    x = 97,944.26

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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.