Home / 74,178.51-102,358.18-42,341.25

Finding the Fourth Proportional to 74,178.51, 102,358.18 and 42,341.25

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Solution

The fourth proportional to 74,178.51, 102,358.18 and 42,341.25 is: 58,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,178.51 : 102,358.18 = 42,341.25 : x
  2. Step 2: Convert to fraction form
    74,178.51/102,358.18 = 42,341.25/x
  3. Step 3: Cross multiply
    74,178.51x = 102,358.18 × 42,341.25
  4. Step 4: Simplify right side
    74,178.51x = 4,333,973,288.93
  5. Step 5: Solve for x
    x = 4,333,973,288.93/74,178.51
  6. Step 6: Final answer
    x = 58,426.27

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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.