Home / 112,368.48-155,066.93-61,380.60

Finding the Fourth Proportional to 112,368.48, 155,066.93 and 61,380.60

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Solution

The fourth proportional to 112,368.48, 155,066.93 and 61,380.60 is: 84,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,368.48 : 155,066.93 = 61,380.60 : x
  2. Step 2: Convert to fraction form
    112,368.48/155,066.93 = 61,380.60/x
  3. Step 3: Cross multiply
    112,368.48x = 155,066.93 × 61,380.60
  4. Step 4: Simplify right side
    112,368.48x = 9,518,101,203.56
  5. Step 5: Solve for x
    x = 9,518,101,203.56/112,368.48
  6. Step 6: Final answer
    x = 84,704.37

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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.