Home / 104,752.48-157,130.40-99,435.64

Finding the Fourth Proportional to 104,752.48, 157,130.40 and 99,435.64

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Solution

The fourth proportional to 104,752.48, 157,130.40 and 99,435.64 is: 149,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.48 : 157,130.40 = 99,435.64 : x
  2. Step 2: Convert to fraction form
    104,752.48/157,130.40 = 99,435.64/x
  3. Step 3: Cross multiply
    104,752.48x = 157,130.40 × 99,435.64
  4. Step 4: Simplify right side
    104,752.48x = 15,624,361,887.46
  5. Step 5: Solve for x
    x = 15,624,361,887.46/104,752.48
  6. Step 6: Final answer
    x = 149,155.05

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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.