Home / 110,573.19-152,478.80-90,365.31

Finding the Fourth Proportional to 110,573.19, 152,478.80 and 90,365.31

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Solution

The fourth proportional to 110,573.19, 152,478.80 and 90,365.31 is: 124,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,573.19 : 152,478.80 = 90,365.31 : x
  2. Step 2: Convert to fraction form
    110,573.19/152,478.80 = 90,365.31/x
  3. Step 3: Cross multiply
    110,573.19x = 152,478.80 × 90,365.31
  4. Step 4: Simplify right side
    110,573.19x = 13,778,793,578.60
  5. Step 5: Solve for x
    x = 13,778,793,578.60/110,573.19
  6. Step 6: Final answer
    x = 124,612.43

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1.5x scale

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.