Home / 207,960.60-286,955.28-117,320.52

Finding the Fourth Proportional to 207,960.60, 286,955.28 and 117,320.52

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Solution

The fourth proportional to 207,960.60, 286,955.28 and 117,320.52 is: 161,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,960.60 : 286,955.28 = 117,320.52 : x
  2. Step 2: Convert to fraction form
    207,960.60/286,955.28 = 117,320.52/x
  3. Step 3: Cross multiply
    207,960.60x = 286,955.28 × 117,320.52
  4. Step 4: Simplify right side
    207,960.60x = 33,665,742,666.35
  5. Step 5: Solve for x
    x = 33,665,742,666.35/207,960.60
  6. Step 6: Final answer
    x = 161,885.20

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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.