Home / 105,071.89-144,999.04-57,325.24

Finding the Fourth Proportional to 105,071.89, 144,999.04 and 57,325.24

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Solution

The fourth proportional to 105,071.89, 144,999.04 and 57,325.24 is: 79,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071.89 : 144,999.04 = 57,325.24 : x
  2. Step 2: Convert to fraction form
    105,071.89/144,999.04 = 57,325.24/x
  3. Step 3: Cross multiply
    105,071.89x = 144,999.04 × 57,325.24
  4. Step 4: Simplify right side
    105,071.89x = 8,312,104,805.71
  5. Step 5: Solve for x
    x = 8,312,104,805.71/105,071.89
  6. Step 6: Final answer
    x = 79,108.74

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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.