Home / 132,646.02-183,055.05-72,219.21

Finding the Fourth Proportional to 132,646.02, 183,055.05 and 72,219.21

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Solution

The fourth proportional to 132,646.02, 183,055.05 and 72,219.21 is: 99,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,646.02 : 183,055.05 = 72,219.21 : x
  2. Step 2: Convert to fraction form
    132,646.02/183,055.05 = 72,219.21/x
  3. Step 3: Cross multiply
    132,646.02x = 183,055.05 × 72,219.21
  4. Step 4: Simplify right side
    132,646.02x = 13,220,091,097.51
  5. Step 5: Solve for x
    x = 13,220,091,097.51/132,646.02
  6. Step 6: Final answer
    x = 99,664.44

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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.