Home / 166,555.40-249,746.70-61,320.20

Finding the Fourth Proportional to 166,555.40, 249,746.70 and 61,320.20

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Solution

The fourth proportional to 166,555.40, 249,746.70 and 61,320.20 is: 91,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,555.40 : 249,746.70 = 61,320.20 : x
  2. Step 2: Convert to fraction form
    166,555.40/249,746.70 = 61,320.20/x
  3. Step 3: Cross multiply
    166,555.40x = 249,746.70 × 61,320.20
  4. Step 4: Simplify right side
    166,555.40x = 15,314,517,593.34
  5. Step 5: Solve for x
    x = 15,314,517,593.34/166,555.40
  6. Step 6: Final answer
    x = 91,948.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.