Home / 105,038.04-144,954.23-57,291.40

Finding the Fourth Proportional to 105,038.04, 144,954.23 and 57,291.40

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Solution

The fourth proportional to 105,038.04, 144,954.23 and 57,291.40 is: 79,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,038.04 : 144,954.23 = 57,291.40 : x
  2. Step 2: Convert to fraction form
    105,038.04/144,954.23 = 57,291.40/x
  3. Step 3: Cross multiply
    105,038.04x = 144,954.23 × 57,291.40
  4. Step 4: Simplify right side
    105,038.04x = 8,304,630,174.25
  5. Step 5: Solve for x
    x = 8,304,630,174.25/105,038.04
  6. Step 6: Final answer
    x = 79,063.07

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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.