Home / 124,870.42-172,368.84-84,791.62

Finding the Fourth Proportional to 124,870.42, 172,368.84 and 84,791.62

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Solution

The fourth proportional to 124,870.42, 172,368.84 and 84,791.62 is: 117,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,870.42 : 172,368.84 = 84,791.62 : x
  2. Step 2: Convert to fraction form
    124,870.42/172,368.84 = 84,791.62/x
  3. Step 3: Cross multiply
    124,870.42x = 172,368.84 × 84,791.62
  4. Step 4: Simplify right side
    124,870.42x = 14,615,433,181.12
  5. Step 5: Solve for x
    x = 14,615,433,181.12/124,870.42
  6. Step 6: Final answer
    x = 117,044.80

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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.