Home / 104,354.08-156,411.12-45,130.24

Finding the Fourth Proportional to 104,354.08, 156,411.12 and 45,130.24

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Solution

The fourth proportional to 104,354.08, 156,411.12 and 45,130.24 is: 67,643.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,354.08 : 156,411.12 = 45,130.24 : x
  2. Step 2: Convert to fraction form
    104,354.08/156,411.12 = 45,130.24/x
  3. Step 3: Cross multiply
    104,354.08x = 156,411.12 × 45,130.24
  4. Step 4: Simplify right side
    104,354.08x = 7,058,871,384.27
  5. Step 5: Solve for x
    x = 7,058,871,384.27/104,354.08
  6. Step 6: Final answer
    x = 67,643.46

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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.