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Finding the Fourth Proportional to 123,533.84, 185,300.76 and 30,038.78

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Solution

The fourth proportional to 123,533.84, 185,300.76 and 30,038.78 is: 45,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,533.84 : 185,300.76 = 30,038.78 : x
  2. Step 2: Convert to fraction form
    123,533.84/185,300.76 = 30,038.78/x
  3. Step 3: Cross multiply
    123,533.84x = 185,300.76 × 30,038.78
  4. Step 4: Simplify right side
    123,533.84x = 5,566,209,339.37
  5. Step 5: Solve for x
    x = 5,566,209,339.37/123,533.84
  6. Step 6: Final answer
    x = 45,058.17

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1.5x scale

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.