Home / 158,714.48-219,030.80-87,099.16

Finding the Fourth Proportional to 158,714.48, 219,030.80 and 87,099.16

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Solution

The fourth proportional to 158,714.48, 219,030.80 and 87,099.16 is: 120,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,714.48 : 219,030.80 = 87,099.16 : x
  2. Step 2: Convert to fraction form
    158,714.48/219,030.80 = 87,099.16/x
  3. Step 3: Cross multiply
    158,714.48x = 219,030.80 × 87,099.16
  4. Step 4: Simplify right side
    158,714.48x = 19,077,398,694.13
  5. Step 5: Solve for x
    x = 19,077,398,694.13/158,714.48
  6. Step 6: Final answer
    x = 120,199.48

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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.