Home / 112,987.89-169,482.92-34,102.80

Finding the Fourth Proportional to 112,987.89, 169,482.92 and 34,102.80

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Solution

The fourth proportional to 112,987.89, 169,482.92 and 34,102.80 is: 51,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,987.89 : 169,482.92 = 34,102.80 : x
  2. Step 2: Convert to fraction form
    112,987.89/169,482.92 = 34,102.80/x
  3. Step 3: Cross multiply
    112,987.89x = 169,482.92 × 34,102.80
  4. Step 4: Simplify right side
    112,987.89x = 5,779,841,953.66
  5. Step 5: Solve for x
    x = 5,779,841,953.66/112,987.89
  6. Step 6: Final answer
    x = 51,154.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.