Home / 153,315.60-229,973.40-137,763.60

Finding the Fourth Proportional to 153,315.60, 229,973.40 and 137,763.60

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Solution

The fourth proportional to 153,315.60, 229,973.40 and 137,763.60 is: 206,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,315.60 : 229,973.40 = 137,763.60 : x
  2. Step 2: Convert to fraction form
    153,315.60/229,973.40 = 137,763.60/x
  3. Step 3: Cross multiply
    153,315.60x = 229,973.40 × 137,763.60
  4. Step 4: Simplify right side
    153,315.60x = 31,681,963,488.24
  5. Step 5: Solve for x
    x = 31,681,963,488.24/153,315.60
  6. Step 6: Final answer
    x = 206,645.40

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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.