Home / 158,847.43-239,386.75-143,072.23

Finding the Fourth Proportional to 158,847.43, 239,386.75 and 143,072.23

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Solution

The fourth proportional to 158,847.43, 239,386.75 and 143,072.23 is: 215,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,847.43 : 239,386.75 = 143,072.23 : x
  2. Step 2: Convert to fraction form
    158,847.43/239,386.75 = 143,072.23/x
  3. Step 3: Cross multiply
    158,847.43x = 239,386.75 × 143,072.23
  4. Step 4: Simplify right side
    158,847.43x = 34,249,596,154.95
  5. Step 5: Solve for x
    x = 34,249,596,154.95/158,847.43
  6. Step 6: Final answer
    x = 215,613.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.