Home / 145,671.45-201,030.35-82,011.52

Finding the Fourth Proportional to 145,671.45, 201,030.35 and 82,011.52

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Solution

The fourth proportional to 145,671.45, 201,030.35 and 82,011.52 is: 113,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,671.45 : 201,030.35 = 82,011.52 : x
  2. Step 2: Convert to fraction form
    145,671.45/201,030.35 = 82,011.52/x
  3. Step 3: Cross multiply
    145,671.45x = 201,030.35 × 82,011.52
  4. Step 4: Simplify right side
    145,671.45x = 16,486,804,569.63
  5. Step 5: Solve for x
    x = 16,486,804,569.63/145,671.45
  6. Step 6: Final answer
    x = 113,178.01

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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.