Home / 145,085.58-217,672.11-45,256.32

Finding the Fourth Proportional to 145,085.58, 217,672.11 and 45,256.32

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Solution

The fourth proportional to 145,085.58, 217,672.11 and 45,256.32 is: 67,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,085.58 : 217,672.11 = 45,256.32 : x
  2. Step 2: Convert to fraction form
    145,085.58/217,672.11 = 45,256.32/x
  3. Step 3: Cross multiply
    145,085.58x = 217,672.11 × 45,256.32
  4. Step 4: Simplify right side
    145,085.58x = 9,851,038,665.24
  5. Step 5: Solve for x
    x = 9,851,038,665.24/145,085.58
  6. Step 6: Final answer
    x = 67,898.12

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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.