Home / 113,428.58-170,150.70-38,518.16

Finding the Fourth Proportional to 113,428.58, 170,150.70 and 38,518.16

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Solution

The fourth proportional to 113,428.58, 170,150.70 and 38,518.16 is: 57,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,428.58 : 170,150.70 = 38,518.16 : x
  2. Step 2: Convert to fraction form
    113,428.58/170,150.70 = 38,518.16/x
  3. Step 3: Cross multiply
    113,428.58x = 170,150.70 × 38,518.16
  4. Step 4: Simplify right side
    113,428.58x = 6,553,891,886.71
  5. Step 5: Solve for x
    x = 6,553,891,886.71/113,428.58
  6. Step 6: Final answer
    x = 57,779.90

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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.