Home / 138,566.06-191,130-95,547.32

Finding the Fourth Proportional to 138,566.06, 191,130 and 95,547.32

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Solution

The fourth proportional to 138,566.06, 191,130 and 95,547.32 is: 131,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,566.06 : 191,130 = 95,547.32 : x
  2. Step 2: Convert to fraction form
    138,566.06/191,130 = 95,547.32/x
  3. Step 3: Cross multiply
    138,566.06x = 191,130 × 95,547.32
  4. Step 4: Simplify right side
    138,566.06x = 18,261,959,271.60
  5. Step 5: Solve for x
    x = 18,261,959,271.60/138,566.06
  6. Step 6: Final answer
    x = 131,792.44

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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.