Home / 170,172.16-255,258.18-45,509.92

Finding the Fourth Proportional to 170,172.16, 255,258.18 and 45,509.92

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Solution

The fourth proportional to 170,172.16, 255,258.18 and 45,509.92 is: 68,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,172.16 : 255,258.18 = 45,509.92 : x
  2. Step 2: Convert to fraction form
    170,172.16/255,258.18 = 45,509.92/x
  3. Step 3: Cross multiply
    170,172.16x = 255,258.18 × 45,509.92
  4. Step 4: Simplify right side
    170,172.16x = 11,616,779,351.15
  5. Step 5: Solve for x
    x = 11,616,779,351.15/170,172.16
  6. Step 6: Final answer
    x = 68,264.86

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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.