Home / 112,994-155,931.30-62,007.60

Finding the Fourth Proportional to 112,994, 155,931.30 and 62,007.60

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Solution

The fourth proportional to 112,994, 155,931.30 and 62,007.60 is: 85,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,994 : 155,931.30 = 62,007.60 : x
  2. Step 2: Convert to fraction form
    112,994/155,931.30 = 62,007.60/x
  3. Step 3: Cross multiply
    112,994x = 155,931.30 × 62,007.60
  4. Step 4: Simplify right side
    112,994x = 9,668,925,677.88
  5. Step 5: Solve for x
    x = 9,668,925,677.88/112,994
  6. Step 6: Final answer
    x = 85,570.26

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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.