Home / 109,484.51-151,088.74-64,153.47

Finding the Fourth Proportional to 109,484.51, 151,088.74 and 64,153.47

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Solution

The fourth proportional to 109,484.51, 151,088.74 and 64,153.47 is: 88,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,484.51 : 151,088.74 = 64,153.47 : x
  2. Step 2: Convert to fraction form
    109,484.51/151,088.74 = 64,153.47/x
  3. Step 3: Cross multiply
    109,484.51x = 151,088.74 × 64,153.47
  4. Step 4: Simplify right side
    109,484.51x = 9,692,866,866.12
  5. Step 5: Solve for x
    x = 9,692,866,866.12/109,484.51
  6. Step 6: Final answer
    x = 88,531.86

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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.