Home / 104,859.81-144,707.73-57,113.55

Finding the Fourth Proportional to 104,859.81, 144,707.73 and 57,113.55

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Solution

The fourth proportional to 104,859.81, 144,707.73 and 57,113.55 is: 78,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,859.81 : 144,707.73 = 57,113.55 : x
  2. Step 2: Convert to fraction form
    104,859.81/144,707.73 = 57,113.55/x
  3. Step 3: Cross multiply
    104,859.81x = 144,707.73 × 57,113.55
  4. Step 4: Simplify right side
    104,859.81x = 8,264,772,172.74
  5. Step 5: Solve for x
    x = 8,264,772,172.74/104,859.81
  6. Step 6: Final answer
    x = 78,817.35

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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.