Home / 86,858.02-130,294.32-27,702.10

Finding the Fourth Proportional to 86,858.02, 130,294.32 and 27,702.10

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Solution

The fourth proportional to 86,858.02, 130,294.32 and 27,702.10 is: 41,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,858.02 : 130,294.32 = 27,702.10 : x
  2. Step 2: Convert to fraction form
    86,858.02/130,294.32 = 27,702.10/x
  3. Step 3: Cross multiply
    86,858.02x = 130,294.32 × 27,702.10
  4. Step 4: Simplify right side
    86,858.02x = 3,609,426,282.07
  5. Step 5: Solve for x
    x = 3,609,426,282.07/86,858.02
  6. Step 6: Final answer
    x = 41,555.48

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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.