Home / 145,741.07-201,215.54-118,947.49

Finding the Fourth Proportional to 145,741.07, 201,215.54 and 118,947.49

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Solution

The fourth proportional to 145,741.07, 201,215.54 and 118,947.49 is: 164,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741.07 : 201,215.54 = 118,947.49 : x
  2. Step 2: Convert to fraction form
    145,741.07/201,215.54 = 118,947.49/x
  3. Step 3: Cross multiply
    145,741.07x = 201,215.54 × 118,947.49
  4. Step 4: Simplify right side
    145,741.07x = 23,934,083,226.32
  5. Step 5: Solve for x
    x = 23,934,083,226.32/145,741.07
  6. Step 6: Final answer
    x = 164,223.32

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1.5x scale

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.