Home / 112,625.04-155,422.52-61,637.80

Finding the Fourth Proportional to 112,625.04, 155,422.52 and 61,637.80

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Solution

The fourth proportional to 112,625.04, 155,422.52 and 61,637.80 is: 85,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,625.04 : 155,422.52 = 61,637.80 : x
  2. Step 2: Convert to fraction form
    112,625.04/155,422.52 = 61,637.80/x
  3. Step 3: Cross multiply
    112,625.04x = 155,422.52 × 61,637.80
  4. Step 4: Simplify right side
    112,625.04x = 9,579,902,203.26
  5. Step 5: Solve for x
    x = 9,579,902,203.26/112,625.04
  6. Step 6: Final answer
    x = 85,060.14

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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.