Home / 208,430.46-287,633.16-112,937.54

Finding the Fourth Proportional to 208,430.46, 287,633.16 and 112,937.54

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Solution

The fourth proportional to 208,430.46, 287,633.16 and 112,937.54 is: 155,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,430.46 : 287,633.16 = 112,937.54 : x
  2. Step 2: Convert to fraction form
    208,430.46/287,633.16 = 112,937.54/x
  3. Step 3: Cross multiply
    208,430.46x = 287,633.16 × 112,937.54
  4. Step 4: Simplify right side
    208,430.46x = 32,484,580,074.66
  5. Step 5: Solve for x
    x = 32,484,580,074.66/208,430.46
  6. Step 6: Final answer
    x = 155,853.32

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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.