Home / 102,032.57-140,798.75-56,709.05

Finding the Fourth Proportional to 102,032.57, 140,798.75 and 56,709.05

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Solution

The fourth proportional to 102,032.57, 140,798.75 and 56,709.05 is: 78,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,032.57 : 140,798.75 = 56,709.05 : x
  2. Step 2: Convert to fraction form
    102,032.57/140,798.75 = 56,709.05/x
  3. Step 3: Cross multiply
    102,032.57x = 140,798.75 × 56,709.05
  4. Step 4: Simplify right side
    102,032.57x = 7,984,562,366.15
  5. Step 5: Solve for x
    x = 7,984,562,366.15/102,032.57
  6. Step 6: Final answer
    x = 78,255.04

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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.