Home / 145,973.16-201,444.40-85,579.56

Finding the Fourth Proportional to 145,973.16, 201,444.40 and 85,579.56

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Solution

The fourth proportional to 145,973.16, 201,444.40 and 85,579.56 is: 118,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.16 : 201,444.40 = 85,579.56 : x
  2. Step 2: Convert to fraction form
    145,973.16/201,444.40 = 85,579.56/x
  3. Step 3: Cross multiply
    145,973.16x = 201,444.40 × 85,579.56
  4. Step 4: Simplify right side
    145,973.16x = 17,239,523,116.46
  5. Step 5: Solve for x
    x = 17,239,523,116.46/145,973.16
  6. Step 6: Final answer
    x = 118,100.64

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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.