Home / 102,007.26-140,776.47-57,298.14

Finding the Fourth Proportional to 102,007.26, 140,776.47 and 57,298.14

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Solution

The fourth proportional to 102,007.26, 140,776.47 and 57,298.14 is: 79,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,007.26 : 140,776.47 = 57,298.14 : x
  2. Step 2: Convert to fraction form
    102,007.26/140,776.47 = 57,298.14/x
  3. Step 3: Cross multiply
    102,007.26x = 140,776.47 × 57,298.14
  4. Step 4: Simplify right side
    102,007.26x = 8,066,229,886.77
  5. Step 5: Solve for x
    x = 8,066,229,886.77/102,007.26
  6. Step 6: Final answer
    x = 79,075.06

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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.