Home / 163,070.29-225,038.86-90,474.52

Finding the Fourth Proportional to 163,070.29, 225,038.86 and 90,474.52

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Solution

The fourth proportional to 163,070.29, 225,038.86 and 90,474.52 is: 124,855.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,070.29 : 225,038.86 = 90,474.52 : x
  2. Step 2: Convert to fraction form
    163,070.29/225,038.86 = 90,474.52/x
  3. Step 3: Cross multiply
    163,070.29x = 225,038.86 × 90,474.52
  4. Step 4: Simplify right side
    163,070.29x = 20,360,282,473.01
  5. Step 5: Solve for x
    x = 20,360,282,473.01/163,070.29
  6. Step 6: Final answer
    x = 124,855.87

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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.