Home / 161,639.04-223,164-119,123.52

Finding the Fourth Proportional to 161,639.04, 223,164 and 119,123.52

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Solution

The fourth proportional to 161,639.04, 223,164 and 119,123.52 is: 164,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,639.04 : 223,164 = 119,123.52 : x
  2. Step 2: Convert to fraction form
    161,639.04/223,164 = 119,123.52/x
  3. Step 3: Cross multiply
    161,639.04x = 223,164 × 119,123.52
  4. Step 4: Simplify right side
    161,639.04x = 26,584,081,217.28
  5. Step 5: Solve for x
    x = 26,584,081,217.28/161,639.04
  6. Step 6: Final answer
    x = 164,465.72

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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.