Home / 105,580.04-158,119.98-91,653.32

Finding the Fourth Proportional to 105,580.04, 158,119.98 and 91,653.32

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Solution

The fourth proportional to 105,580.04, 158,119.98 and 91,653.32 is: 137,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,580.04 : 158,119.98 = 91,653.32 : x
  2. Step 2: Convert to fraction form
    105,580.04/158,119.98 = 91,653.32/x
  3. Step 3: Cross multiply
    105,580.04x = 158,119.98 × 91,653.32
  4. Step 4: Simplify right side
    105,580.04x = 14,492,221,125.33
  5. Step 5: Solve for x
    x = 14,492,221,125.33/105,580.04
  6. Step 6: Final answer
    x = 137,262.89

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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.