Home / 113,538.80-170,308.20-101,903.60

Finding the Fourth Proportional to 113,538.80, 170,308.20 and 101,903.60

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Solution

The fourth proportional to 113,538.80, 170,308.20 and 101,903.60 is: 152,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,538.80 : 170,308.20 = 101,903.60 : x
  2. Step 2: Convert to fraction form
    113,538.80/170,308.20 = 101,903.60/x
  3. Step 3: Cross multiply
    113,538.80x = 170,308.20 × 101,903.60
  4. Step 4: Simplify right side
    113,538.80x = 17,355,018,689.52
  5. Step 5: Solve for x
    x = 17,355,018,689.52/113,538.80
  6. Step 6: Final answer
    x = 152,855.40

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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.