Home / 145,827.06-201,255.63-85,393.98

Finding the Fourth Proportional to 145,827.06, 201,255.63 and 85,393.98

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Solution

The fourth proportional to 145,827.06, 201,255.63 and 85,393.98 is: 117,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.06 : 201,255.63 = 85,393.98 : x
  2. Step 2: Convert to fraction form
    145,827.06/201,255.63 = 85,393.98/x
  3. Step 3: Cross multiply
    145,827.06x = 201,255.63 × 85,393.98
  4. Step 4: Simplify right side
    145,827.06x = 17,186,019,243.11
  5. Step 5: Solve for x
    x = 17,186,019,243.11/145,827.06
  6. Step 6: Final answer
    x = 117,852.06

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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.