Home / 154,890.84-232,338.81-42,570.36

Finding the Fourth Proportional to 154,890.84, 232,338.81 and 42,570.36

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Solution

The fourth proportional to 154,890.84, 232,338.81 and 42,570.36 is: 63,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,890.84 : 232,338.81 = 42,570.36 : x
  2. Step 2: Convert to fraction form
    154,890.84/232,338.81 = 42,570.36/x
  3. Step 3: Cross multiply
    154,890.84x = 232,338.81 × 42,570.36
  4. Step 4: Simplify right side
    154,890.84x = 9,890,746,783.67
  5. Step 5: Solve for x
    x = 9,890,746,783.67/154,890.84
  6. Step 6: Final answer
    x = 63,856.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.