Home / 112,341.06-155,030.73-61,354.50

Finding the Fourth Proportional to 112,341.06, 155,030.73 and 61,354.50

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Solution

The fourth proportional to 112,341.06, 155,030.73 and 61,354.50 is: 84,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341.06 : 155,030.73 = 61,354.50 : x
  2. Step 2: Convert to fraction form
    112,341.06/155,030.73 = 61,354.50/x
  3. Step 3: Cross multiply
    112,341.06x = 155,030.73 × 61,354.50
  4. Step 4: Simplify right side
    112,341.06x = 9,511,832,923.79
  5. Step 5: Solve for x
    x = 9,511,832,923.79/112,341.06
  6. Step 6: Final answer
    x = 84,669.25

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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.