Home / 105,030.27-144,941.76-57,283.62

Finding the Fourth Proportional to 105,030.27, 144,941.76 and 57,283.62

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Solution

The fourth proportional to 105,030.27, 144,941.76 and 57,283.62 is: 79,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,030.27 : 144,941.76 = 57,283.62 : x
  2. Step 2: Convert to fraction form
    105,030.27/144,941.76 = 57,283.62/x
  3. Step 3: Cross multiply
    105,030.27x = 144,941.76 × 57,283.62
  4. Step 4: Simplify right side
    105,030.27x = 8,302,788,701.97
  5. Step 5: Solve for x
    x = 8,302,788,701.97/105,030.27
  6. Step 6: Final answer
    x = 79,051.39

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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.