Home / 161,904.60-223,429.34-90,289.17

Finding the Fourth Proportional to 161,904.60, 223,429.34 and 90,289.17

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Solution

The fourth proportional to 161,904.60, 223,429.34 and 90,289.17 is: 124,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.60 : 223,429.34 = 90,289.17 : x
  2. Step 2: Convert to fraction form
    161,904.60/223,429.34 = 90,289.17/x
  3. Step 3: Cross multiply
    161,904.60x = 223,429.34 × 90,289.17
  4. Step 4: Simplify right side
    161,904.60x = 20,173,249,210.80
  5. Step 5: Solve for x
    x = 20,173,249,210.80/161,904.60
  6. Step 6: Final answer
    x = 124,599.61

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1.5x scale

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.