Home / 230,719.98-318,381.39-130,111.50

Finding the Fourth Proportional to 230,719.98, 318,381.39 and 130,111.50

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Solution

The fourth proportional to 230,719.98, 318,381.39 and 130,111.50 is: 179,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,719.98 : 318,381.39 = 130,111.50 : x
  2. Step 2: Convert to fraction form
    230,719.98/318,381.39 = 130,111.50/x
  3. Step 3: Cross multiply
    230,719.98x = 318,381.39 × 130,111.50
  4. Step 4: Simplify right side
    230,719.98x = 41,425,080,224.99
  5. Step 5: Solve for x
    x = 41,425,080,224.99/230,719.98
  6. Step 6: Final answer
    x = 179,547.00

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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.