Home / 166,132.72-249,257.40-103,730.32

Finding the Fourth Proportional to 166,132.72, 249,257.40 and 103,730.32

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Solution

The fourth proportional to 166,132.72, 249,257.40 and 103,730.32 is: 155,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,132.72 : 249,257.40 = 103,730.32 : x
  2. Step 2: Convert to fraction form
    166,132.72/249,257.40 = 103,730.32/x
  3. Step 3: Cross multiply
    166,132.72x = 249,257.40 × 103,730.32
  4. Step 4: Simplify right side
    166,132.72x = 25,855,549,864.37
  5. Step 5: Solve for x
    x = 25,855,549,864.37/166,132.72
  6. Step 6: Final answer
    x = 155,631.89

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1.5x scale

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.