Home / 86,875.04-130,176.48-69,340.16

Finding the Fourth Proportional to 86,875.04, 130,176.48 and 69,340.16

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Solution

The fourth proportional to 86,875.04, 130,176.48 and 69,340.16 is: 103,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,875.04 : 130,176.48 = 69,340.16 : x
  2. Step 2: Convert to fraction form
    86,875.04/130,176.48 = 69,340.16/x
  3. Step 3: Cross multiply
    86,875.04x = 130,176.48 × 69,340.16
  4. Step 4: Simplify right side
    86,875.04x = 9,026,457,951.44
  5. Step 5: Solve for x
    x = 9,026,457,951.44/86,875.04
  6. Step 6: Final answer
    x = 103,901.63

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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.