Home / 85,328.49-127,987.95-26,164.00

Finding the Fourth Proportional to 85,328.49, 127,987.95 and 26,164.00

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Solution

The fourth proportional to 85,328.49, 127,987.95 and 26,164.00 is: 39,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.49 : 127,987.95 = 26,164.00 : x
  2. Step 2: Convert to fraction form
    85,328.49/127,987.95 = 26,164.00/x
  3. Step 3: Cross multiply
    85,328.49x = 127,987.95 × 26,164.00
  4. Step 4: Simplify right side
    85,328.49x = 3,348,676,403.83
  5. Step 5: Solve for x
    x = 3,348,676,403.83/85,328.49
  6. Step 6: Final answer
    x = 39,244.53

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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.