Home / 169,030.17-253,176.80-84,643.16

Finding the Fourth Proportional to 169,030.17, 253,176.80 and 84,643.16

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Solution

The fourth proportional to 169,030.17, 253,176.80 and 84,643.16 is: 126,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,030.17 : 253,176.80 = 84,643.16 : x
  2. Step 2: Convert to fraction form
    169,030.17/253,176.80 = 84,643.16/x
  3. Step 3: Cross multiply
    169,030.17x = 253,176.80 × 84,643.16
  4. Step 4: Simplify right side
    169,030.17x = 21,429,682,701.59
  5. Step 5: Solve for x
    x = 21,429,682,701.59/169,030.17
  6. Step 6: Final answer
    x = 126,780.22

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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.