Home / 282,437.54-423,656.07-72,075.48

Finding the Fourth Proportional to 282,437.54, 423,656.07 and 72,075.48

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Solution

The fourth proportional to 282,437.54, 423,656.07 and 72,075.48 is: 108,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,437.54 : 423,656.07 = 72,075.48 : x
  2. Step 2: Convert to fraction form
    282,437.54/423,656.07 = 72,075.48/x
  3. Step 3: Cross multiply
    282,437.54x = 423,656.07 × 72,075.48
  4. Step 4: Simplify right side
    282,437.54x = 30,535,214,600.16
  5. Step 5: Solve for x
    x = 30,535,214,600.16/282,437.54
  6. Step 6: Final answer
    x = 108,113.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.