Home / 161,658.36-223,095.46-90,038.40

Finding the Fourth Proportional to 161,658.36, 223,095.46 and 90,038.40

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Solution

The fourth proportional to 161,658.36, 223,095.46 and 90,038.40 is: 124,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,658.36 : 223,095.46 = 90,038.40 : x
  2. Step 2: Convert to fraction form
    161,658.36/223,095.46 = 90,038.40/x
  3. Step 3: Cross multiply
    161,658.36x = 223,095.46 × 90,038.40
  4. Step 4: Simplify right side
    161,658.36x = 20,087,158,265.66
  5. Step 5: Solve for x
    x = 20,087,158,265.66/161,658.36
  6. Step 6: Final answer
    x = 124,256.85

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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.