Home / 109,567.57-151,210.38-61,803.49

Finding the Fourth Proportional to 109,567.57, 151,210.38 and 61,803.49

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Solution

The fourth proportional to 109,567.57, 151,210.38 and 61,803.49 is: 85,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,567.57 : 151,210.38 = 61,803.49 : x
  2. Step 2: Convert to fraction form
    109,567.57/151,210.38 = 61,803.49/x
  3. Step 3: Cross multiply
    109,567.57x = 151,210.38 × 61,803.49
  4. Step 4: Simplify right side
    109,567.57x = 9,345,329,208.23
  5. Step 5: Solve for x
    x = 9,345,329,208.23/109,567.57
  6. Step 6: Final answer
    x = 85,292.84

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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.