Home / 207,402.04-286,136.60-121,333.60

Finding the Fourth Proportional to 207,402.04, 286,136.60 and 121,333.60

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Solution

The fourth proportional to 207,402.04, 286,136.60 and 121,333.60 is: 167,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,402.04 : 286,136.60 = 121,333.60 : x
  2. Step 2: Convert to fraction form
    207,402.04/286,136.60 = 121,333.60/x
  3. Step 3: Cross multiply
    207,402.04x = 286,136.60 × 121,333.60
  4. Step 4: Simplify right side
    207,402.04x = 34,717,983,769.76
  5. Step 5: Solve for x
    x = 34,717,983,769.76/207,402.04
  6. Step 6: Final answer
    x = 167,394.61

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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.