Home / 163,385.12-245,126.90-58,190.40

Finding the Fourth Proportional to 163,385.12, 245,126.90 and 58,190.40

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Solution

The fourth proportional to 163,385.12, 245,126.90 and 58,190.40 is: 87,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,385.12 : 245,126.90 = 58,190.40 : x
  2. Step 2: Convert to fraction form
    163,385.12/245,126.90 = 58,190.40/x
  3. Step 3: Cross multiply
    163,385.12x = 245,126.90 × 58,190.40
  4. Step 4: Simplify right side
    163,385.12x = 14,264,032,361.76
  5. Step 5: Solve for x
    x = 14,264,032,361.76/163,385.12
  6. Step 6: Final answer
    x = 87,303.13

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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.