Home / 90,014.63-124,220.18-52,291.31

Finding the Fourth Proportional to 90,014.63, 124,220.18 and 52,291.31

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Solution

The fourth proportional to 90,014.63, 124,220.18 and 52,291.31 is: 72,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,014.63 : 124,220.18 = 52,291.31 : x
  2. Step 2: Convert to fraction form
    90,014.63/124,220.18 = 52,291.31/x
  3. Step 3: Cross multiply
    90,014.63x = 124,220.18 × 52,291.31
  4. Step 4: Simplify right side
    90,014.63x = 6,495,635,450.26
  5. Step 5: Solve for x
    x = 6,495,635,450.26/90,014.63
  6. Step 6: Final answer
    x = 72,162.00

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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.