Home / 112,971-169,338.23-38,065.26

Finding the Fourth Proportional to 112,971, 169,338.23 and 38,065.26

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Solution

The fourth proportional to 112,971, 169,338.23 and 38,065.26 is: 57,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,971 : 169,338.23 = 38,065.26 : x
  2. Step 2: Convert to fraction form
    112,971/169,338.23 = 38,065.26/x
  3. Step 3: Cross multiply
    112,971x = 169,338.23 × 38,065.26
  4. Step 4: Simplify right side
    112,971x = 6,445,903,752.89
  5. Step 5: Solve for x
    x = 6,445,903,752.89/112,971
  6. Step 6: Final answer
    x = 57,058.04

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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.